<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>设置多重背景图像</title>
    <style type="text/css">
        p{

            width: 300px;
            height: 300px;
            border: 1px solid black;
            background-image: url(dog.png),url(bg1.png),url(bg2.png)
        }



    </style>
</head>
<body>
    <p></p>
</body>
</html>